Aqua Ocean Reef Plus Marine SaltAqua Ocean Reef Plus Marine Salt Aqua Ocean Reef Plus Marine Salt Formulated using pharmaceutical quality salts, free from organic substances (PO4 and NO3), its regular use helps to maintain the right levels of minerals, KH, Calcium and Magnesium in the aquarium. The careful selection of the purest raw materials, combined with mixing techniques in a sterile environment, with a low level of humidity, allows the production of a salt of excellent